CN104755745A

CN104755745A - Fuel injectors with non-coined three-dimensional nozzle inlet face

Info

Publication number: CN104755745A
Application number: CN201380050047.2A
Authority: CN
Inventors: 里安·C·舍克; 巴里·S·卡彭特; 大卫·H·雷丁杰; 斯科特·M·施诺布里克
Original assignee: 3M Innovative Properties Co
Current assignee: 3M Innovative Properties Co
Priority date: 2012-08-01
Filing date: 2013-08-01
Publication date: 2015-07-01
Also published as: WO2014022640A1; US20150211461A1; BR112015002265A2; JP2019052648A; EP2880298A1; JP2015523503A; KR20150032913A

Abstract

Nozzles and a method of making the same are disclosed. The disclosed nozzles have a non-coined three-dimensional inlet face and an outlet face opposite the inlet face. The nozzles may have one or more nozzle through-holes extending from the inlet face to the outlet face. Fuel injectors containing the nozzle are also disclosed. Methods of making and using nozzles and fuel injectors are further disclosed.

Description

There is the fuel injector in not cast three-dimensional nozzle entrance face

Technical field

The present invention relates generally to the nozzle being adapted at using in the fuel injector of internal-combustion engine.The present invention is also applicable to the fuel injector combining this type of nozzle.The invention still further relates to the manufacture method of this type of nozzle, and assemble the manufacture method of fuel injector of this type of nozzle.The invention still further relates to the method using nozzle and fuel injector in vehicle.

Background technique

There is the fuel injector system of three basic forms of it.These systems adopt port fuel spray (PFI) mode, gasoline direct injection (GDI) mode and directly spray (DI) mode.PFI and GDI uses gasoline as fuel, and DI uses diesel fuel.People are still continuing development fuel injector nozzle and the fuel injection system comprising fuel injector nozzle further, to improve fuel efficiency potentially, to reduce the harmfulness effulent of internal-combustion engine, and to reduce the overall energy requirements comprising the vehicle of internal-combustion engine.

Summary of the invention

The present invention relates to fuel injector nozzle.In one exemplary embodiment, fuel injector nozzle comprises: not cast three-dimensional inlet face, and it comprises the first inlet surface and the second inlet surface, exit face, its with inlet face back to, and one or more first jet through hole and one or more second nozzle through hole, wherein each first jet through hole comprises at least one inlet opens be positioned in the first inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, and each second nozzle through hole comprises at least one inlet opens be positioned in the second inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, wherein the first inlet surface and the second inlet surface not coplanar.

In another exemplary embodiment, fuel injector nozzle comprises: not cast three-dimensional inlet face, and it comprises the first inlet surface and the second inlet surface, exit face, its with inlet face back to, and one or more first jet through hole and one or more second nozzle through hole, wherein each first jet through hole comprises at least one inlet opens be positioned in the first inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, and each second nozzle through hole comprises at least one inlet opens be positioned in the second inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, wherein the first inlet surface and the second inlet surface separate by the vertical wall segments of inlet face.

The invention still further relates to fuel injector.In one exemplary embodiment, fuel injector comprises any one nozzle of the present invention disclosed herein.

The present invention even also relates to fuel injection system.In one exemplary embodiment, fuel injection system comprises any one nozzle of the present invention disclosed herein or fuel injector.

In another exemplary embodiment, fuel injection system of the present invention comprises motor vehicle fuel ejecting system, wherein fuel injection system comprises: (I) comprises the nozzle of not cast three-dimensional inlet face, and described not cast three-dimensional inlet face comprises the first inlet surface and the second inlet surface, exit face, its with inlet face back to, and one or more first jet through hole and one or more second nozzle through hole, wherein each first jet through hole comprises at least one inlet opens be positioned in the first inlet surface, described inlet opens is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, and each second nozzle through hole comprises at least one inlet opens be positioned in the second inlet surface, described inlet opens is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, wherein the first inlet surface and the second inlet surface not coplanar, (II) there is the fuel injector valve of fuel injector valve contact surface, wherein fuel injection system based on fuel injector valve is relative to the position of nozzle, is provided the fluid stream of at least three levels by nozzle.Fluid stream through at least three levels of nozzle can comprise (1) without fluid stream; (2) segment fluid flow stream, wherein fluid flows through one or more second nozzle through hole; (3) complete fluid stream, wherein fluid flows through one or more first jet through hole and one or more second nozzle through hole.

The invention still further relates to the method manufacturing nozzle.In one exemplary embodiment, the method manufacturing nozzle of the present invention comprises any nozzle as herein described of manufacture.

In another exemplary embodiment, the manufacture method of nozzle of the present invention comprises: form the nozzle comprising not cast three-dimensional inlet face, described not cast three-dimensional inlet face comprises the first inlet surface and the second inlet surface, exit face, its with inlet face back to, and one or more first jet through hole and one or more second nozzle through hole, wherein each first jet through hole comprises at least one inlet opens be positioned in the first inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, and each second nozzle through hole comprises at least one inlet opens be positioned in the second inlet surface, at least one inlet opens described is connected to the exit opening be positioned on exit face by the chamber limited by internal surface, wherein the first inlet surface and the second inlet surface not coplanar.

In another exemplary embodiment, the manufacture method of nozzle of the present invention comprises: form the nozzle comprising not cast three-dimensional inlet face, described not cast three-dimensional inlet face comprises the first inlet surface and the second inlet surface, exit face, its with inlet face back to, and one or more first jet through hole and one or more second nozzle through hole, wherein each first jet through hole comprises at least one inlet opens be positioned in the first inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, and each second nozzle through hole comprises at least one inlet opens be positioned in the second inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on exit face by the chamber limited by internal surface, wherein at least one inlet opens of at least one inlet opens of one or more to (i) first jet through hole and (ii) one or more second nozzle through hole separates by the vertical wall segments of inlet face.

The invention still further relates to the manufacture method of fuel injector.In one exemplary embodiment, manufacture the method for fuel injector to comprise any one nozzle as herein described is attached in fuel injector.

The present invention relates to the manufacture method of motor vehicle fuel ejecting system in addition.In one exemplary embodiment, the method manufacturing motor vehicle fuel ejecting system comprises and any one nozzle as herein described or fuel injector being attached in fuel injection system.

Accompanying drawing explanation

The following detailed description done various embodiment of the present invention by reference to the accompanying drawings will be conducive to more completely understanding and knowing from experience the present invention, wherein:

Fig. 1 is the side view of exemplary nozzle of the present invention;

Fig. 2 is for being applicable to the perspective view of the exemplary fuel injector valve used together with the exemplary nozzle shown in Fig. 1;

Fig. 3 A is the sectional view when exemplary fuel injector valve shown in the exemplary nozzle shown in Fig. 1 and Fig. 2 is in " completely closed " position;

Fig. 3 B is the sectional view when exemplary fuel injector valve shown in the exemplary nozzle shown in Fig. 1 and Fig. 2 is in " partially opening " position;

Fig. 3 C is the sectional view when exemplary fuel injector valve shown in the exemplary nozzle shown in Fig. 1 and Fig. 2 is in " opening completely " position;

Fig. 4 A is the perspective view of another kind of exemplary nozzle of the present invention;

Fig. 4 B is the plan view of the exemplary nozzle shown in Fig. 4 A;

Fig. 4 C is the sectional view of the exemplary nozzle shown in Fig. 4 A, and exemplary fuel injector valve is arranged along the inlet face of exemplary nozzle and is in " completely closed " position;

Fig. 5 is the sectional view of another kind of exemplary nozzle of the present invention;

Fig. 6 is the sectional view of another kind of exemplary nozzle of the present invention;

Fig. 7 is the sectional view of the exemplary fuel injector system of the present invention using exemplary nozzle of the present invention, and wherein nozzle comprises one or more inlet face feature structures of the pressure chamber's volume reducing fuel injector system;

Fig. 8 is the schematic diagram of exemplary fuel injector system of the present invention;

Fig. 9 is the sectional view of another kind of exemplary nozzle of the present invention;

Figure 10 is the sectional view of another kind of exemplary nozzle of the present invention;

Figure 11 is the schematic diagram of the example vehicle comprising fuel injector system of the present invention;

Figure 12 is the sectional view of exemplary method steps, wherein uses operating of contacts instrument to remove nozzle material from nozzle;

Figure 13 is for being applicable to the perspective view of the exemplary contact operation tool of the removing material shown in Figure 12;

Figure 14 a-e illustrates the sectional view of the exemplary contact operation tool being applicable to the removing material shown in Figure 12;

Figure 15 a-e illustrates the sectional view of the exemplary exit surface feature structure using the operating of contacts instrument shown in Figure 14 a-e to be formed; And

Figure 16 is for being applicable to the perspective view of the another kind of exemplary contact operation tool of the removing material shown in Figure 12.

In the description, the identical drawing reference numeral used in multiple accompanying drawing refers to have identical or similar characteristics and the identical of function or like.

Embodiment

Nozzle disclosed in this invention performance is to the improvement of nozzle disclosed in Publication about Document: the International Patent Application Publication WO2011/014607 that on February 3rd, (1) 2011 announces, international patent application serial number US2012/023624 (the 3M attorney 67266WO003 that on February 2nd, (2) 2012 submits to, name is called " Nozzle and Method of Making Same " (nozzle and manufacture method thereof)), the theme of these two patent applications and disclosure are incorporated to herein all in full by reference.Nozzle disclosed in this invention is compared existing nozzle as herein described and is had one or more advantage.Such as, nozzle disclosed in this invention can advantageously load in fuel injector system to improve fuel efficiency.Nozzle disclosed in this invention can use multiphoton disclosed in similar International Patent Application Publication WO2011/014607 and international patent application serial number US2012/023624 (such as two-photon) technique to make.Particularly, multiphoton technique can be used to manufacture the various microstructure that at least can comprise one or more holes formed features structure.This pores formed features structure can be used as mould then, in order to be manufactured on the hole used in nozzle or other application.

Should be appreciated that in the art, term " nozzle " can have multiple different implication.In the reference that some are concrete, term " nozzle " has and defines widely.Such as, U.S. Patent Publication 2009/0308953A1 (people such as Palestrant) discloses one " atomizer nozzle ", and this nozzle comprises multiple element, comprises sealing chamber 50.This is different from the understanding to nozzle and definition that the application provides.Such as, the nozzle in this specification corresponds to the hole plug-in unit 24 of the people such as Palestrant substantially.In general, nozzle in this specification can be understood as the end cone part of atomization spray system, spraying finally sprays, see such as Merriam (Merriam Webster'sDictionary) definition to nozzle from described end cone part: have the short tube for the acceleration of (as at flexible pipe) convection cell stream or the circular cone guided or reduction section.Other understanding can see the U. S. Patent 5,716,009 (people such as Ogihara) of Nippondenso Co., Ltd. (Nippondenso Co., Ltd. (Kariya, Japan)) authorizing Japanese Yi Gu city.In this reference, Fluid injection " nozzle " is broadly defined as multistage valve element 10 (" Fuelinjection nozzle 10 is used as fluid injection nozzle ... "-capable see the 4th hurdle 26-27 of the patent of the people such as Ogihara) again.This term used " nozzle " current definition and understand and should relate to (such as) first orifice plate 130 and second orifice plate 132, also may relate to such as sleeve 138 (Figure 14 and Figure 15 see the patent of the people such as Ogihara), they are located close to fuel nozzle ports place.With the similar understanding of term described herein " nozzle " for authorizing in the U. S. Patent 5,127,156 (people such as Yokoyama) of Hitachi, Ltd. (Hitachi, Ltd. (Ibaraki, Japan)) of Ibaraki, Japan.Wherein, nozzle 10 is defined independently with connection and integrated structure, such as " cyclone separator " 12 (see Fig. 1 (II)).When mentioning term " nozzle " in all the other contents whole at this specification and claims, be to be understood that above-mentioned definition.

Nozzle disclosed in this invention comprises one or more through nozzle hole be strategically attached in nozzle arrangements.Described one or more through nozzle hole provides one or more characteristics following for nozzle: (1) can by nozzle provide variable fluid stream (as, by opening or closed one or more through nozzle hole), (2) the multi-direction fluid stream of the exit face relative to nozzle can be provided, and (3) can provide the multi-direction off-axis fluid stream relative to the centre normal extending vertically through jet expansion face.

Fig. 1 and Fig. 3 A-Fig. 3 C illustrates the various views of exemplary nozzle 10 of the present invention.As shown in Fig. 1 and Fig. 3 A-Fig. 3 C, nozzle 10 comprises not cast three-dimensional inlet face 11, and described not cast three-dimensional inlet face comprises the first inlet surface 12 and the second inlet surface 13; Exit face 14, its with inlet face 11 back to; And one or more first jet through hole 15 and one or more second nozzle through hole 16.As used herein, term " not cast " refers to that the inlet face 11 of nozzle 10 is not formed by the deformation technique of similar (such as) pressure-sizing or coining manipulation.As discussed below, the inlet face 11 of nozzle 10 can be formed by (such as) deposition/molding process (as two-photon polymerized/molding process).

Each first jet through hole 15 comprises at least one inlet opens 151 be positioned in the first inlet surface 12, and at least one inlet opens described connects by the chamber 153 limited by internal surface 154 at least one exit opening 152 be positioned on exit face 14.Each second nozzle through hole 16 comprises at least one inlet opens 161 be positioned in the second inlet surface 13, and at least one inlet opens described is connected to by the chamber 163 limited by internal surface 164 at least one exit opening 162 be positioned on exit face 14.

As shown in Fig. 1 and Fig. 3 A-Fig. 3 C, the first inlet surface 12 and the second inlet surface 13 not coplanar.As used herein, term " coplanar " is for describing the continuous or discrete surface portion dropped in given plane, described given plane does not planar have or have certain curvature, and (that is, continuous or discrete surface portion drops in non-curved plane or in curved surface; In coplanar two parts (continuous or discrete part) comprising curved surface of this term used).Except not coplanar, the first inlet surface 12 can be parallel to the second inlet surface 13, as shown in Fig. 1 and Fig. 3 A-Fig. 3 C.

Although each in the first inlet surface 12 and the second inlet surface 13 Fig. 1 and Fig. 3 A-Fig. 3 C be depicted as substantially flat (namely, not there is curvature), it should be pointed out that each in the first inlet surface 12 and the second inlet surface 13 can have radius of curvature independently in inlet surface part.Usually, when there is radius of curvature, first inlet surface 12 and the second inlet surface 13 have the radius of curvature (or be usually greater than 10 μm, be up to any radius of curvature of 4m, and increment is any value or the value scope of 1.0 μm between 10 μm and 4m) being up to about 4m independently of one another.

As shown in Fig. 1 and Fig. 3 A-Fig. 3 C, the first inlet surface 12 and the second inlet surface 13 are separated by the vertical wall segments 17 of described inlet face 11.As Fig. 1 and Fig. 3 A-Fig. 3 C further shown in, the one or more inlet opens 151 in the first inlet surface 12 and the one or more inlet opens 161 in the second inlet surface 13 are separated by vertical wall segments 17.

As shown in Fig. 2 and Fig. 3 A-Fig. 3 C, nozzle 10 can be combined with exemplary fuel injector valve 80.Fuel injector valve 80 comprises fuel injector valve contact surface 81, and it is operatively adjusted at least partially (e.g., adjust size, structure or otherwise design) and through size adjusting, extends with the vertical wall segments 17 along inlet face 11.Fuel injector valve 80 also comprises fuel injector valve sealing surface 82, it is operatively adjusted at least partially (as, adjust size, structure or otherwise design) and through size adjusting, to contact with the second valve sealing surface 18 of inlet face 11 and to seal.

Fuel injector valve 80 can move in nozzle 10, optionally to open or the closed one or more inlet opens 161 being positioned at the one or more inlet opens 151 in the first inlet surface 12 and being positioned in the second inlet surface 13.Fig. 3 A provides nozzle 10 and is in the sectional view of fuel injector valve 80 of " completely closed " position, inlet opens 151 wherein in the first inlet surface 12 and the inlet opens 161 in the second inlet surface 13 are all closed (that is, without fluid stream).Fig. 3 B provides nozzle 10 and is in the sectional view of fuel injector valve 80 of " partially opening " position, inlet opens 151 wherein in the first inlet surface 12 be closed (namely, without fluid stream), inlet opens 161 in second inlet surface 13 is (that is, the allowing fluid stream) of opening.Fig. 3 C provides nozzle 10 and is in the sectional view of fuel injector valve 80 of " opening completely " position, inlet opens 151 wherein in the first inlet surface 12 and the inlet opens 161 in the second inlet surface 13 are all (that is, the allowing fluid stream) of opening.

Fig. 4 A-Fig. 4 C provides the various views of another kind of nozzle 10 of the present invention.As shown in Fig. 4 A-Fig. 4 C, the exit opening 152 and 162 of nozzle 10 is not along location, identical surface, is along two of exit face 14 independent exit surface location on the contrary.Particularly, along the first exit surface 141 (namely exit opening 152 is, in the present embodiment, be referred to herein as uppermost exit surface 141 simultaneously) location, along the second exit surface 142 (namely the exit opening 162 of nozzle 10 is, in the present embodiment, be referred to herein as nethermost exit surface 142 simultaneously) location.

As seen in figs. 5-6, nozzle 10 of the present invention can also comprise multiple other feature structure optionally.The exit surface part 149 that suitable optional other feature structure includes but not limited to one or more overlap, one or more anti-coking microstructures 150 of locating along any part of exit face 14, and one or more fluid injection head structures of any part along exit face 14.

As shown in Fig. 1 and Fig. 3 A-Fig. 6, nozzle 10 of the present invention can comprise through nozzle hole 15 and 16, wherein each through nozzle hole 15/16 comprises following characteristics structure independently: (i) inlet opens 151/161 shape, (ii) exit opening 152/163 shape, and (iii) can comprise internal surface 154 profile of combination of one or more curved section 157, one or more linear segment 158 or one or more curved section 157 and one or more linear segment 158.For each independently through nozzle hole 15/16 selects these feature structures, make nozzle 10 (1) substantially equivalent fluid stream can be provided by through nozzle hole 15/16, (2) provide variable fluid stream (namely by through nozzle hole 15/16, fluid stream through different through nozzle hole 15/16 is different), (3) one direction of discharging from through nozzle hole 15/16 or multi-direction fluid stream is provided, (4) the linear and/or bending fluid stream of discharging from through nozzle hole 15/16 is provided, and (5) provide the fluid stream of parallel and/or dispersion and/or the first parallel rear dispersion of discharging from through nozzle hole 15/16.

In certain embodiments, at least one in through nozzle hole 15/16 has inlet opens 151/161 flow axes, chamber 153/163 flow axes and exit opening 152/162 flow axes, and at least one flow axes is from least another flow axes is different.As used herein, " flow axes " be defined as fuel flow into, flow through or mass flowing nozzle through hole 15/16 time flow in fuel central axis.Just have with regard to multiple inlet opens 151/161, multiple exit opening 152/162 or through nozzle hole 15/16 that both have concurrently, through nozzle hole 15/16 can have the various flows rotation axis corresponding with each in multiple opening 151/152/161/162.

In certain embodiments, inlet opens 151/161 flow axes can be different from exit opening 152/162 flow axes.In other embodiments, each in inlet opens 151/161 flow axes, chamber 153/163 flow axes and exit opening 152/162 flow axes is different from each other.In other embodiments, through nozzle hole 15/16 has chamber 153/163, and described chamber is operatively adjusted (e.g., adjust size, structure or otherwise design), makes the fuel flowed through wherein have bending flow axes.

Facilitate the example of the factor of this species diversity of flow axes can include but not limited to any combination of following factor: (1) (i) chamber 153/163 is different from the angle between (ii) inlet face 11 and/or exit face 14, (2) inlet opens 151/161 and/or chamber 153/163 and/or exit opening 152/162 misalignment or parallel each other, or aim at along different directions, or parallel but misalignment, or intersect but misalignment, and/or any other imaginabale geometrical relationship that the line segment of (3) two or three misalignment can have.

Nozzle 10 disclosed in this invention can comprise the combination in any (or substantially by or be made up of the combination in any of any one nozzle feature disclosed in this invention or two or more nozzle feature disclosed in this invention) of any one nozzle feature disclosed in this invention or two or more nozzle feature disclosed in this invention.In addition, although not shown and/or do not describe in detail herein, nozzle 10 of the present invention can also comprise the U.S. Provisional Patent Application sequence number 61/678 of one or more nozzle feature submission on August 1st, (1) 2012 disclosed in following patent application, 475 (3M attorney 69909US002, name is called " GDI Fuel Injectorswith Non-Coined Three-Dimensional Nozzle Outlet Face " (having the GDI fuel injector in not cast three-dimensional jet expansion face)), the U.S. Provisional Patent Application sequence number 61/678 that on August 1st, (2) 2012 submits to, 356 (3M attorney 69910US002, name is called " Targeting of Fuel Output by Off-Axis Directing of Nozzle Output Streams " (guide nozzle to export stream by off-axis and make fuel output directional)), the U.S. Provisional Patent Application sequence number 61/678 that on August 1st, (3) 2012 submits to, 330 (3M attorney 69911US002, name is called " Fuel Injector Nozzles with at Least One Multiple InletPort and/or Multiple Outlet Port " (having the fuel injector nozzle of at least one multiple entry intake duct and/or multiple exit intake duct)), and the U.S. Provisional Patent Application sequence number 61/678 that on August 1st, (4) 2012 submits to, 305 (3M attorney 69912US002, name is called " FuelInjectors with Improved Coefficient of Fuel Discharge " (having the fuel injector of the fuel draining coefficient of improvement)), the theme of each in described patent application and disclosure are incorporated herein by reference all in full.

Nozzle 10 disclosed in this invention can be formed by any method, as long as the inlet face 11 of the nozzle of gained 10 has inlet face 11 feature structure as herein described.Although nozzle 10 of the present invention can use as method disclosed in international patent application serial number US2012/023624 is formed, the method manufacturing nozzle 10 of the present invention is not limited to method disclosed in international patent application serial number US2012/023624.Specifically, see the method step described in Figure 1A-Fig. 1 M in conjunction with international patent application serial number US2012/023624.

other embodiment

nozzle embodiments

1. a fuel injector nozzle 10, comprising: not cast three-dimensional inlet face 11, and described not cast three-dimensional inlet face comprises the first inlet surface 12 and the second inlet surface 13, exit face 14, described exit face and described inlet face 11 back to, and one or more first jet through hole 15 and one or more second nozzle through hole 16, wherein each described first jet through hole 15 comprises at least one inlet opens 151 be positioned in described first inlet surface 12, at least one inlet opens described is connected to by the chamber 153 limited by internal surface 154 at least one exit opening 152 be positioned on described exit face 14, and each described second nozzle through hole 16 comprises at least one inlet opens 161 be positioned in described second inlet surface 13, at least one inlet opens described is connected to by the chamber 163 limited by internal surface 164 at least one exit opening 162 be positioned on described exit face 14, wherein said first inlet surface 12 is not coplanar with described second inlet surface 13.First inlet surface 12 is usually parallel with the second inlet surface 13, but not coplanar with the second inlet surface 13.See the embodiment 4 of below.In certain embodiments, the major part of the total length of the first inlet surface 12 (namely, be greater than 50% and most as many as 100%) with the major part of the total length of the second inlet surface 13 (namely, be greater than 50% and most as many as 100%) parallel, and in other embodiments, only a part (that is, being less than 50%) for the total length of the first inlet surface 12 and a part (that is, being less than 50%) for the total length of the second inlet surface 13 parallel.

2. the nozzle 10 according to embodiment 1, wherein said inlet face 11 also comprises the first valve sealing surface 17 between described first inlet surface 12 and described second inlet surface 13, wherein said first valve sealing surface 17 is constructed or otherwise operatively adjusts (as, adjust size, structure or otherwise design), to seal with fuel injector valve 80, to allow fuel (or fluid) (not shown) by described second nozzle through hole 16 not by described first jet through hole 15.

3. the nozzle 10 according to embodiment 1 or 2, wherein said inlet face 11 also comprises the second valve sealing surface 18, described second valve sealing surface is constructed or otherwise operatively adjusts (as, adjust size, structure or otherwise design), to seal with fuel injector valve 80, to stop fuel (not shown) by described second nozzle through hole 16.

4. the nozzle 10 according to any one of embodiment 1 to 3, wherein said first inlet surface 12 and described second inlet surface 13 accurately or are generally parallel to each other.

5. the nozzle 10 according to any one of embodiment 2 to 4, wherein said first valve sealing surface 17 is constructed or otherwise operatively adjusts (as, adjust size, structure or otherwise design), to seal with the outer seal surface 81 of fuel injector valve 80, to stop fuel (not shown) by described one or more first jet through hole 15.

6. the nozzle 10 according to any one of embodiment 2 to 5, wherein said first valve sealing surface 17 is accurately or generally perpendicular at least one in described first inlet surface 12 and described second inlet surface 13.

7. the nozzle 10 according to any one of embodiment 1 to 6, wherein said exit face 14 comprises the first exit surface 141 and the second exit surface 142, each exit opening 152 of wherein said one or more first jet through hole 15 is positioned on described first exit surface 141, each exit opening 162 of described one or more second nozzle through hole 16 is positioned on described second exit surface 142, and described first exit surface 141 is not coplanar with described second exit surface 142.

8. the nozzle 10 according to embodiment 7, wherein said first exit surface 141 and described second exit surface 142 accurately or are generally parallel to each other.

9. the nozzle 10 according to any one of embodiment 1 to 6, wherein said exit face 14 comprises the first exit surface 145 and the second exit surface 142, wherein said first exit surface 145 is set to acutangulate with described second exit surface 142, and each exit opening 152/162 is being positioned on described first exit surface 145.

10. a fuel injector nozzle 10, comprising: not cast three-dimensional inlet face 11, and described not cast three-dimensional inlet face comprises the first inlet surface 12 and the second inlet surface 13, exit face 14, described exit face and described inlet face 11 back to, and one or more first jet through hole 15 and one or more second nozzle through hole 16, wherein each described first jet through hole 15 comprises at least one inlet opens 151 be positioned in described first inlet surface 12, at least one inlet opens described is connected to by the chamber 153 limited by internal surface 154 at least one exit opening 152 be positioned on described exit face 13, and each described second nozzle through hole 16 comprises at least one inlet opens 161 be positioned in described second inlet surface 13, described inlet opens is connected to by the chamber 163 limited by internal surface 164 at least one exit opening 162 be positioned on described exit face 13, described first inlet surface 12 and described second inlet surface 13 separate by the vertical wall segments 17 of wherein said inlet face 11.

11. nozzles 10 according to any one of embodiment 1 to 10, wherein along the described inlet face 11 be positioned between the outer periphery 19 of described nozzle 10 and nozzle centre axis 20 (described nozzle centre axis extends along the normal perpendicular to described outer periphery 19), described inlet face 11 comprises at least two vertical wall segments 17/27 of described inlet face 11, and described at least two vertical wall segments are spaced by the intermediate wall portion 13/18 of described inlet face 11.

12. nozzles 10 according to embodiment 11, described at least two vertical wall segments 17/27 of wherein said inlet face 11 comprise the vertical wall segments 17/27 of two concentric orientation of described inlet face 11.

13. nozzles 10 according to any one of embodiment 10 to 12, wherein each vertical wall segments 17/27 have when observing along nozzle centre axis 20 circular cross section configuration (or square, or triangle, or star, or any other polygonal shape), described nozzle centre axis extends along the normal of the outer periphery 19 perpendicular to described nozzle 10.

14. nozzles 10 according to any one of embodiment 10 to 13, each vertical wall segments 17/27 of wherein said inlet face 11 is arranged essentially parallel to nozzle centre axis 20, and described nozzle centre axis extends along the normal of the outer periphery 19 perpendicular to described nozzle 10.

15. nozzles 10 according to any one of embodiment 11 to 14, the described intermediate wall portion 13/18 of wherein said inlet face 11 comprises the first valve sealing surface 18.

16. nozzles 10 according to any one of embodiment 1 to 15, wherein the outer periphery part 110 of (i) described inlet face 11 is positioned at inlet face plane 111, (ii) the outer periphery part 140 of described exit face 14 is positioned at exit face plane 144, and (iii) described inlet face plane 111 is arranged essentially parallel to described exit face plane 140.

17. nozzles 10 according to any one of embodiment 1 to 16, wherein the outer periphery part 110 of (i) described inlet face 11 is positioned at inlet face plane 111, (ii) the outer periphery part 142 of described exit face 14 is positioned at exit face plane 144, (iii) described inlet face plane 111 is arranged essentially parallel to described exit face plane 144, and 141/145 being positioned at above described exit face plane 144 at least partially of (iv) described exit face.

18. nozzles 10 according to any one of embodiment 1 to 17, wherein the outer periphery part 110 of (i) described inlet face 11 is positioned at inlet face plane 111, (ii) the outer periphery part 142 of described exit face 14 is positioned at exit face plane 144, (iii) described inlet face plane 111 is arranged essentially parallel to described exit face plane 144, (iv) described exit face 141/145 be positioned at above described exit face plane 144 at least partially, and (v) vertical stretch of described exit face 14 divides 145 to be separated with the top part 141 of described exit face 14 by the lower flat part 142 of the described exit face 14 in described exit face plane 144.

19. nozzles 10 according to any one of embodiment 1 to 18, wherein said inlet face 11 comprises the outer periphery part 110 that (i) is positioned at the described inlet face 11 of inlet face plane 111, (ii) from the outer vertical wall segments 27 that the described outer periphery part 110 in described inlet face plane 111 upwards extends, (iii) from the intermediate wall portion 13/18 that described outer vertical wall segments 27 extends, described intermediate wall portion 13/18 represent described second inlet surface 13 at least partially, (iv) upwards extend from described intermediate wall portion 13/18 in vertical wall segments 17, and (v) part 12 topmost, described the top part 12 represent described first inlet surface 12 at least partially.

20. nozzles 10 according to any one of embodiment 1 to 19, wherein said first inlet surface 12 has the first surface radius of curvature (or maximum any radius of curvature to about 4m, or increment is any value or the value scope of 1.0 μm between 10 μm and 4m) being greater than about 10 μm.

21. nozzles 10 according to any one of embodiment 1 to 20, wherein said second inlet surface 13 has the second surface radius of curvature (or maximum any radius of curvature to about 4m, or increment is any value or the value scope of 1.0 μm between 10 μm and 4m) being greater than about 10 μm.

22. nozzles 10 according to any one of embodiment 1 to 19, described first inlet surface 12 of wherein said inlet face 11 has the surface profile of relatively flat.

23. nozzles 10 according to any one of embodiment 19 or 22, described first inlet surface 12 of wherein said inlet face 11 is positioned at uppermost inlet surface plane 121, and described uppermost inlet surface plane 121 is arranged essentially parallel to described inlet face plane 111.

24. nozzles 10 according to any one of embodiment 1 to 23, described first inlet surface 12 of wherein said inlet face 11 is positioned at below the bottom part 142 of described exit face 14.

25. nozzles 10 according to any one of embodiment 1 to 23, the top being at least partially positioned at described exit face 14 at least partially of described first inlet surface 12 of wherein said inlet face 11.

26. nozzles 10 according to any one of embodiment 11 to 25, the surface profile at least partially with relatively flat of the described intermediate wall portion 13/18 of wherein said inlet face 11, described part comprises described second inlet surface 13.

27. nozzles 10 according to embodiment 26, the described part of wherein said intermediate wall portion 13/18 is positioned at medial inlet surface plane 131, and described medial inlet surface plane 131 is arranged essentially parallel to described inlet face plane 111.

28. nozzles 10 according to embodiment 26 or 27, the described part of wherein said intermediate wall portion 13/18 is positioned at below described exit face 14.

29. nozzles 10 according to embodiment 26 or 27, the described part of wherein said intermediate wall portion 13/18 is positioned at the top at least partially of described exit face 14.

30. nozzles 10 according to any one of embodiment 1 to 29, wherein at least one exit opening 152/162 is located along the lower flat part 142 of described exit face 14.

31. nozzles 10 according to any one of embodiment 1 to 30, wherein at least one exit opening 152/162 divides 145 location along the vertical stretch of described exit face 14.

32. nozzles 10 according to any one of embodiment 1 to 31, wherein at least one exit opening 152/162 is located along the top part 141 of described exit face 14.

33. nozzles 10 according to embodiment 31 or 32, the described vertical stretch of wherein said exit face 14 divides 145 (i) to form the first angle P with the described lower flat part 142 of described exit face 14, described first angle at about 90 ° to being less than (or increment is any angle or the angle value scope of 1 ° between 90 ° and 165 °) within the scope of about 165 °, and (ii) form the second angle Q with described the top part 141 of described exit face 14, described second angle be about 90 ° to being less than about 165 ° (or increment is any angle or the angle value scope of 1 ° between 90 ° and 165 °).

34. nozzles 10 according to any one of embodiment 31 to 33, the described vertical stretch of wherein said exit face 14 divides 145 (i) to form the first angle P with the described lower flat part 142 of described exit surface 14, described first angle is (or increment is any angle or the angle value scope of 1 ° between 90 ° and 135 °) within the scope of about 90 ° to about 135 °, and (ii) form the second angle Q with described the top part 141 of described exit face 14, described second angle is about 90 ° to about 135 ° (or increment is any angle or the angle value scope of 1 ° between 90 ° and 135 °).

35. nozzles 10 according to any one of embodiment 31 to 34, the described vertical stretch of wherein said exit face 14 divides 145 (i) to form the first angle P of about 135 ° with the described lower flat part 142 of described exit face 14, and (ii) forms the second angle Q of about 135 ° with described the top part 141 of described exit face 14.

36. nozzles 10 according to any one of embodiment 31 to 34, the described vertical stretch of wherein said exit face 14 divides 145 (i) to form the first angle P of about 90 ° with the described lower flat part 142 of described exit face 14, and (ii) forms the second angle Q of about 90 ° with described the top part 141 of described exit face 14.

37. nozzles 10 according to any one of embodiment 31 to 36, the surface 146 (that is, not bending) that the described vertical stretch of wherein said exit face 14 divides 145 to comprise the relatively flat between the described lower flat part 142 and described the top part 141 of described exit face 14 of described exit face 14.

38. nozzles 10 according to any one of embodiment 31 to 37, the described vertical stretch of wherein said exit face 14 divides 145 to have the cylindrical or fi-ustoconical surface profile extended between the described lower flat part 141 and described the top part 141 of described exit face 14 of described exit face 14.

39. nozzles 10 according to any one of embodiment 1 to 38, wherein at least one exit opening 152 of (a) described first jet through hole 15 is located along the lower flat part 142 of described exit face 14, and at least one exit opening 162 of (b) described second nozzle through hole 16 is located along the described lower flat part 141 of described exit face 14.

40. nozzles 10 according to any one of embodiment 1 to 38, wherein at least one exit opening 152 of (a) described first jet through hole 15 divides 145 location along the vertical stretch of described exit face 14, and at least one exit opening 162 of (b) described one or more second nozzle through hole 16 is located along the lower flat part 142 of described exit face 14.

41. nozzles 10 according to any one of embodiment 1 to 38, wherein at least one exit opening 152 of (a) described one or more first jet through hole 15 divides 145 location along the vertical stretch of described exit face 14, and at least one exit opening 162 of (b) described one or more second nozzle through hole 16 divides 145 location along the described vertical stretch of described exit face 14.

42. nozzles 10 according to embodiment 41, at least one exit opening 152 of wherein said one or more first jet through hole 15 divides the top 147 of 145 to locate along the described vertical stretch of described exit face 14, and at least one exit opening 162 described of described one or more second nozzle through hole 16 divides the bottom 148 of 145 to locate along the described vertical stretch of described exit face 14.

43. nozzles 10 according to any one of embodiment 1 to 38, wherein at least one exit opening 152 of (a) described one or more first jet through hole 15 is located along the top part 141 of described exit face 14, and at least one exit opening 162 of (b) described one or more second nozzle through hole 16 is located along the lower flat part 142 of described exit face 14.

44. nozzles 10 according to embodiment 43, at least one exit opening 162 described of wherein said one or more second nozzle through hole 16 is positioned such that the described vertical stretch pointing to described exit face 14 from the fluid (not shown) of described at least one exit opening 162 discharge divides 145, to contact described vertical stretch dividing 145.

45. nozzles 10 according to any one of embodiment 1 to 44, each wherein in (1) described one or more first jet through hole 15 has the first inner surface profile directly extending to first jet exit opening 152 from first jet inlet opens 151, with the second inner surface profile directly extending to first jet exit opening 152 from first jet inlet opens 151, described second inner surface profile (i) of described first jet through hole 15 is positioned on the opposite side in first jet chamber 153 relative to described first inner surface profile of each described first jet through hole 15, and (ii) closer to the centre normal 20 of the outer periphery 19 perpendicular to described nozzle 10, (2) each in described one or more second nozzle through hole 16 has the first inner surface profile directly extending to second nozzle exit opening 162 from second nozzle inlet opens 161, with the second inner surface profile directly extending to second nozzle exit opening 162 from described second nozzle inlet opens 161, described second inner surface profile (i) of each described second nozzle through hole 16 is positioned on the opposite side in second nozzle chamber 163 relative to described first inner surface profile of described second nozzle through hole 16, and (ii) closer to the centre normal 20 of the described outer periphery 19 perpendicular to described nozzle 10, and each in described second inner surface profile of (3) described first inner surface profile of described first jet through hole 15, described second inner surface profile of described first jet through hole 15, described first inner surface profile of described second nozzle through hole 16 and described second nozzle through hole 16 has independently with curvature or the surface profile not with curvature.

46. nozzles 10 according to embodiment 45, described first inner surface portion of wherein said first jet through hole 15 has the surface profile (directly extending to exit opening 152 from inlet opens 151) of relatively flat, and described second inner surface portion of described first jet through hole 15 has curved surface profile (directly extending to exit opening 152 from inlet opens 151).

47. nozzles 10 according to embodiment 45, described first inner surface portion of wherein said first jet through hole 15 has the surface profile (directly extending to exit opening 152 from inlet opens 151) with first curvature degree, described second inner surface portion of described first jet through hole 15 has the surface profile (directly extending to exit opening 152 from inlet opens 151) with torsion degree, and described torsion degree is greater than described first curvature degree.

48. nozzles 10 according to any one of embodiment 45 to 47, described first inner surface portion of wherein said second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) of relatively flat, and described second inner surface portion of described second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) of relatively flat.

49. nozzles 10 according to any one of embodiment 45 to 47, described first inner surface portion of wherein said second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) of relatively flat, and described second inner surface portion of described second nozzle through hole 16 has curved surface profile (directly extending to exit opening 152 from inlet opens 151).

50. nozzles 10 according to any one of embodiment 45 to 47, described first inner surface portion of wherein said second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) with first curvature degree, described second inner surface portion of described second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) with torsion degree, and described torsion degree is greater than described first curvature degree.

51. nozzles 10 according to any one of embodiment 45 to 47, described second inner surface portion of wherein said second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) of relatively flat, and described first inner surface portion of described second nozzle through hole 16 has curved surface profile (directly extending to exit opening 152 from inlet opens 151).

52. nozzles 10 according to any one of embodiment 45 to 47, described first inner surface portion of wherein said second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) with first curvature degree, described second inner surface portion of described second nozzle through hole 16 has the surface profile (directly extending to exit opening 152 from inlet opens 151) with torsion degree, and described first curvature degree is greater than described torsion degree.

53. nozzles 10 according to any one of embodiment 1 to 52, each wherein in (i) described one or more first jet through hole 15 and (ii) described one or more second nozzle through hole 16 comprises two or more through nozzle hole (or be greater than two, increment is any quantity of 1 or the through nozzle hole of quantitative range) independently.

54. nozzles 10 according to any one of embodiment 1 to 53, each wherein in (i) described one or more first jet through hole 15 and (ii) described one or more second nozzle through hole 16 comprises about 4 to about 24 (or increment is any quantity or the quantitative range of 1 between 4 and 24) individual through nozzle hole independently.

55. nozzles 10 according to any one of embodiment 1 to 54, wherein said nozzle 10 comprises the outer surface part 149 (see, Fig. 5) along one or more overlaps of described exit face 14.

56. nozzles 10 according to any one of embodiment 1 to 55, wherein said exit face 14 also comprises anti-coking nanostructured 150 in the above.

57. nozzles 10 according to embodiment 56, wherein said anti-coking nanostructured 150 exists along one or more parts of described exit face 14, described one or more part of described exit face 14 comprises the upper surface 141 (if existence) of the outer surface part 149 of one or more overlaps of (i) described exit face 14, (ii) lower flat part 142 of described exit face 10, (iii) the top part 141 of described exit face 14, (iv) vertical stretch of the described exit face 14 between the described lower flat part 142 and described the top part 141 of described exit face 14 of described exit face 14 divides 145, or (v) (i) is to any combination of (iv).

58. nozzles 10 according to any one of embodiment 1 to 57, wherein at least one inlet opens 151/161 of at least one through nozzle hole 15/16 and at least one exit opening 152/162 have similar shape.

59. nozzles 10 according to any one of embodiment 1 to 58, wherein at least one inlet opens 151/161 of at least one through nozzle hole 15/16 and at least one exit opening 152/162 have different shapes.

60. nozzles 10 according to any one of embodiment 1 to 59, wherein said nozzle 10 also comprises the inlet surface with one or more inlet face feature structures 118, described nozzle 10 is placed as to export with the spherical valve 212 of fuel injector system 100 (in this article also referred to as fuel injector tip 209) contact time, described inlet face feature structure extends in the spherical valve exit region 210 of fuel injector system 100, to reduce pressure chamber's volume of fuel injector system 100 further.In addition or alternatively, may, desirably the inlet surface of nozzle is mated with the outer surface of spherical valve, preferably be convenient to coordinate with the outer surface of spherical valve and/or seal with the outer surface of spherical valve." pressure chamber's volume " is defined as the spatial volume between the outer surface 211 of the inlet face (that is, the inlet face 11 of nozzle 10) of fuel injector nozzle and the spherical valve 212 of fuel injector system 100.See (such as) Fig. 7 of the present invention.

Usually, pressure chamber's volume is that the spatial volume of surrounding with the line extended between the outer surface 211 of the spherical valve 212 of fuel injector tip 209 and fuel injector system 100 represents, assuming that the most of nozzles comprising most of embodiments of nozzle 10 do not comprise any inlet face feature structure 118 extended in spherical valve exit region 210; But as shown in Fig. 7 of the present invention, in certain embodiments, nozzle 10 does not comprise the inlet face feature structure 118 extended in spherical valve exit region 210.In certain embodiments, pressure chamber's volume of given fuel injector 101 can reduce most as many as about 50% or more (or most as many as 50% increment is any percentage of 1%).

61. nozzles 10 according to embodiment 55, a part for wherein said inlet face 11 is positioned at inlet face plane 111 and outer periphery along described inlet face 11 extends, and described one or more inlet face feature structure 118 comprises the tubular member 118 with circular outside wall 1181, described circular outside wall adjoins or is positioned as the interior side-wall surface 213 of contiguous spherical valve exit region 210.

62. nozzles 10 according to any one of embodiment 1 to 61, wherein said nozzle 10 also comprises one or more Fluid injection components 1519 of locating along described exit face 14.

63. nozzles according to embodiment 62, wherein said one or more Fluid injection component 1519 exists along one or more parts of described exit face 14, described one or more part of described exit face 14 comprises the surface 159/159 ' (if existence) of the outer surface part 149 of one or more overlaps of (i) described exit face 14, (ii) lower flat part 142 of described exit face 14, (iii) the top part 141 of described exit face 14, (iv) vertical stretch of the described exit face 14 between the described lower flat part 142 and described the top part 141 of described exit face 14 of described exit face 14 divides 145, or (v) (i) is to any combination of (iv).

64. nozzles 10 according to any one of embodiment 1 to 63, wherein each inlet opens 151/161 has and is less than about 400 microns and (or is less than about 300 microns, or be less than about 200 microns, or be less than about 160 microns, or be less than about 100 microns) diameter (or increment is any diameter of 1.0 microns between about 10 microns and 400 microns, as the microns such as 10,11,12).

65. nozzles 10 according to any one of embodiment 1 to 64, wherein each exit opening 152/162 has and is less than about 400 microns and (or is less than about 300 microns, or be less than about 200 microns, or be less than about 100 microns, or be less than about 50 microns, or be less than about 20 microns) diameter (or increment is any diameter of 1.0 microns between about 10 microns and 400 microns, as the microns such as 10,11,12).

66. nozzles 10 according to any one of embodiment 1 to 65, wherein said nozzle 10 comprises metallic material, Inorganic Non-metallic Materials (e.g., pottery) or their combination.

67. nozzles 10 according to any one of embodiment 1 to 66, wherein said nozzle 10 comprises pottery, described pottery is selected from silica, zirconium oxide, aluminium oxide, titanium dioxide, or yttrium, strontium, barium, hafnium, niobium, tantalum, tungsten, bismuth, molybdenum, tin, zinc, atomic number scope are the lanthanides of 57 to 71 and the oxide of cerium, and their combination.

68. nozzles 10 according to any one of embodiment 1 to 67, wherein said nozzle 10 comprises overall structure.As used herein, term " entirety " refers to the structure that nozzle has single integration and formed, instead of multiple part or parts be combined with each other formation nozzle.

69. according to the nozzle 10 according to any one of embodiment 1 to 68 be combined with fuel injector valve 80, described fuel injector valve 80 has fuel injector valve contact surface 81, it is operatively adjusted at least partially (as, adjust size, structure or otherwise design) and through size adjusting to extend along the vertical wall 17 of described inlet face 11, the spray nozzle board central axis 20 that described vertical wall extends near the normal along the outer periphery 19 perpendicular to described nozzle 10.

fuel injector embodiment

70. 1 kinds of fuel injectors 101 comprising the nozzle 10 according to any one of embodiment 1 to 69.

fuel injector system embodiment

71. 1 kinds of vehicle 200 fuel injection systems 100 comprising the fuel injector 101 according to embodiment 70.

72. 1 kinds of vehicle 200 fuel injection systems 100, comprising: nozzle 10, and described nozzle comprises not cast three-dimensional inlet face 11, and described not cast three-dimensional inlet face comprises the first inlet surface 12 and the second inlet surface 13, exit face 14, described exit face and described inlet face 11 back to, and one or more first jet through hole 15 and one or more second nozzle through hole 16, wherein each described first jet through hole 15 comprises at least one inlet opens 151 be positioned in described first inlet surface 12, at least one inlet opens described is connected to by the chamber 153 limited by internal surface 154 at least one exit opening 152 be positioned on described exit face 14, and each described second nozzle through hole 16 comprises at least one inlet opens 161 be positioned in described second inlet surface 13, at least one inlet opens described is connected to by the chamber 163 limited by internal surface 164 at least one exit opening 162 be positioned on described exit face 14, wherein said first inlet surface 12 is not coplanar with described second inlet surface 13, and there is the fuel injector valve 80 of fuel injector valve contact surface 81, wherein said fuel injection system 100, according to the position of described fuel injector valve 80 relative to described nozzle 10, provides the fluid stream of at least three levels through described nozzle 10.

73. fuel injection systems 100 according to embodiment 72, wherein said nozzle 10 comprises the nozzle 10 according to any one of embodiment 1 to 69.

74. fuel injection systems 100 according to embodiment 72 or 73, also comprise and control the device 214 (e.g., solenoid valve) of described fuel injector valve 80 relative to the position of described nozzle 10.

75. fuel injection systems 100 according to any one of embodiment 72 to 74, the fluid stream wherein through at least three levels of described nozzle 10 comprises (1) without fluid stream; (2) segment fluid flow stream, wherein fluid flows through described one or more second nozzle through hole 16; (3) complete fluid stream, wherein fluid flows through described one or more first jet through hole 15 and described one or more second nozzle through hole 16.

nozzle preparation method embodiment

The method of the nozzle 10 of 76. 1 kinds of manufactures according to any one of embodiment 1 to 69.

77. 1 kinds of methods manufacturing fuel injector nozzle 10, described method comprises: form nozzle 10, described nozzle comprises not cast three-dimensional inlet face 11, and described not cast three-dimensional inlet face comprises: the first inlet surface 12 and the second inlet surface 13, exit face 14, described exit face and described inlet face 11 back to, and one or more first jet through hole 15 and one or more second nozzle through hole 16, wherein each first jet through hole 15 comprises at least one inlet opens 151 be positioned in the first inlet surface 12, at least one inlet opens described is connected to by the chamber 153 limited by internal surface 154 at least one exit opening 152 be positioned on exit face 14, and each second nozzle through hole 16 comprises at least one inlet opens 161 be positioned in the second inlet surface 13, at least one inlet opens described is connected to by the chamber 163 limited by internal surface 164 at least one exit opening 162 be positioned on exit face 14, wherein the first inlet surface 12 and the second inlet surface 13 not coplanar.

78. 1 kinds of methods manufacturing fuel injector nozzle 10, described method comprises: form nozzle 10, described nozzle comprises not cast three-dimensional inlet face 11, and described not cast three-dimensional inlet face comprises: the first inlet surface 12 and the second inlet surface 13, exit face 14, described exit face and described inlet face 11 back to, and one or more first jet through hole 15 and one or more second nozzle through hole 16, wherein each first jet through hole 15 comprises at least one inlet opens 151 be positioned in the first inlet surface 12, at least one inlet opens described is connected to by the chamber 153 limited by internal surface 154 at least one exit opening 152 be positioned on exit face 14, and each second nozzle through hole 16 comprises at least one inlet opens 161 be positioned in the second inlet surface 13, at least one inlet opens described is connected to by the chamber 163 limited by internal surface 164 at least one exit opening 162 be positioned on exit face 14, wherein at least one inlet opens 151 of one or more to (i) first jet through hole 15 separates with at least one inlet opens 161 of (ii) one or more second nozzle through hole 16 by the vertical wall segments 17 of inlet face 11.

79. methods according to embodiment 77 or 78, the step of wherein said formation inlet face 11 comprises the vertical wall segments 17/27 forming two concentric orientation along inlet face 11.

80. methods according to embodiment 79, wherein each vertical wall segments 17/27 has the circular cross section configuration (or square or triangle or oval or star or any other polygonal shape) observed along spray nozzle board central axis 20, and described spray nozzle board central axis extends along the normal of the outer periphery 19 perpendicular to nozzle 10.

81. methods according to embodiment 79 or 80, wherein each vertical wall segments 17/27 of inlet face 11 is arranged essentially parallel to nozzle centre axis 20, and described nozzle centre axis extends along the normal of the outer periphery 19 perpendicular to nozzle 10.

82. methods according to any one of embodiment 77 to 81, in outer periphery part 110 I and the inlet face plane 111 of wherein (i) inlet face 11, (ii) the outer periphery part 142 of the exit face 14 of nozzle 10 is positioned at exit face plane 144, and (iii) inlet face plane 111 is arranged essentially parallel to exit face plane 144.

83. methods according to any one of embodiment 77 to 82, in outer periphery part 110 I and the inlet face plane 111 of wherein (i) inlet face 11, (ii) the outer periphery part 142 of the exit face 14 of nozzle 10 is positioned at exit face plane 144, (iii) inlet face plane 111 is arranged essentially parallel to exit face plane 144, and 145/141 being positioned at above exit face plane 144 at least partially of (iv) exit face.

84. methods according to any one of embodiment 77 to 83, wherein the outer periphery part 110 of (i) inlet face 11 is positioned at inlet face plane 111, (ii) the outer periphery part 142 of the exit face 14 of nozzle 10 is positioned at exit face plane 144, (iii) inlet face plane 111 is arranged essentially parallel to exit face plane 144, (iv) exit face 145/141 be positioned at above exit face plane 144 at least partially, and (v) vertical stretch of exit face 14 divides 145 to be separated with the top part 141 of exit face 14 by the lower flat part 142 of the exit face 14 in exit face plane 144.

85. methods according to any one of embodiment 77 to 84, wherein inlet face 11 comprises (i) and is positioned at inlet face plane 111 and the outer periphery part 110 of the outer periphery 19 of adjacent nozzles 10, (ii) from the outer vertical wall segments 27 that the outer periphery part 110 of the inlet face 11 in inlet face plane 111 upwards extends, (iii) from the intermediate wall portion 18/13 that the outer vertical wall segments 27 of inlet face 11 extends, it comprises the second inlet surface 13 at least partially, (iv) vertical wall segments 17 in the inlet face 11 upwards extended from intermediate wall portion 18/13, and the top part 12 of (v) inlet face 11, it comprises the first inlet surface 12 at least partially.

86. methods according to embodiment 85, wherein the top part 12 of inlet face 11 has the surface profile of relatively flat.

87. methods according to embodiment 85 or 86, wherein the top part 12 of inlet face 11 is positioned at uppermost inlet face plane 121, and uppermost inlet face plane 121 is arranged essentially parallel to inlet face plane 111.

88. methods according to any one of embodiment 77 to 87, the surface profile at least partially with relatively flat of the intermediate wall portion 18/13 of the inlet face 11 wherein extended between the vertical wall segments 27/17 of inlet face 11.

89. methods according to embodiment 88, wherein the described part of intermediate wall portion 18/13 is positioned at medial inlet facial plane 131, and medial inlet facial plane 131 is arranged essentially parallel to inlet face plane 111.

90. methods according to any one of embodiment 77 to 89, the lower flat part 142 that the described step wherein forming described nozzle 10 comprises along exit face 14 forms at least one exit opening 152/162.

91. methods according to any one of embodiment 77 to 90, the vertical stretch that the described step wherein forming described nozzle 10 comprises along exit face 14 divides 145 formation at least one exit opening 152/162.

92. methods according to any one of embodiment 77 to 91, the top part 141 that the described step wherein forming described nozzle 10 comprises along exit face 14 forms at least one exit opening 152/162.

93. methods according to any one of embodiment 77 to 92, also comprise: on nozzle 10, form three-dimensional exit face 14.

94. methods according to any one of embodiment 77 to 93, also comprise: on nozzle 10, form three-dimensional exit face 14, described three-dimensional exit face 14 has the cylindrical or fi-ustoconical surface profile (that is, surface 145) extended between the lower flat part 141 and the top part 141 of exit face 14 of exit face 14.

95. methods according to any one of embodiment 77 to 94, the described step wherein forming described nozzle 10 comprises (a) forms described one or more second nozzle through hole 16 at least one exit opening 162 along the lower flat part 141 of exit face 14, and (b) forms at least one exit opening 152 of described one or more first jet through hole 15 along the lower flat part 141 of exit surface 14.

96. methods according to any one of embodiment 77 to 94, the described step wherein forming described nozzle 10 comprises (a) forms described one or more second nozzle through hole 16 at least one exit opening 162 along the lower flat part 141 of exit face 14, and (b) divides at least one exit opening 152 of the described one or more first jet through hole 15 of 145 formation along the vertical stretch of exit face 14.

97. methods according to any one of embodiment 77 to 94, the described step wherein forming described nozzle 10 comprises (a) divides the described one or more second nozzle through hole 16 of 145 formation at least one exit opening 162 along the vertical stretch of exit surface 14, and (b) divides at least one exit opening 152 of the described one or more first jet through hole 15 of 145 formation along the vertical stretch of exit surface 14.

98. methods according to embodiment 97, at least one exit opening 162 of wherein said one or more second nozzle through hole 16 divides the bottom 148 of 145 to locate along the vertical stretch of exit face 14, and at least one exit opening 152 of described one or more first jet through hole 15 divides the top 147 of 145 to locate along the vertical stretch of exit face 14.

99. methods according to any one of embodiment 77 to 94, wherein form the described step of nozzle 10 and comprise (a) forms described one or more second nozzle through hole 16 at least one exit opening 162 along the lower flat part 141 of exit face 14, and (b) forms at least one exit opening 152 of described one or more first jet through hole 15 along the top part 141 of exit face 14.

100. methods according to embodiment 99, at least one exit opening 162 of wherein said one or more second nozzle through hole 16 is positioned such that the vertical stretch pointing to described exit face 14 from the fluid (not shown) of at least one exit opening 162 discharge divides 145, so that the vertical stretch contacting exit face 14 divides 145.

101. methods according to any one of embodiment 77 to 100, the described step wherein forming described nozzle 10 comprises one or more through nozzle hole 15/16 that formation comprises two or more exit openings 152/162 independently.

102. methods according to embodiment 101, two or more exit openings 152/162 wherein said comprise about 2 to about 24 (or increment is any quantity or the quantitative range of 1 between 2 and 24) individual exit opening 152/162.

103. methods according to any one of embodiment 77 to 102, the described step wherein forming described nozzle 10 comprises and forms one or more through nozzle hole 15/16, and described through nozzle hole has multiple chambeies passage 153 '/163 ' that the length along chamber 153/163 extends.See (such as) Fig. 9, it illustrates independent through nozzle hole 15/16, described through nozzle hole comprises (i) single inlet opens 151/161, (ii) multiple exit opening 152/162, and multiple chambeies passage 153 '/163 ' that (iii) extends along the length in chamber 153/163.As shown in Figure 10, in other embodiments, independent through nozzle hole 15/16 comprises (i) multiple inlet opens 151/161, (ii) single exit opening 152/162, and multiple chambeies passage 153 '/163 ' that (iii) extends along the length in chamber 153/163.

104. methods according to any one of embodiment 77 to 103, the described step wherein forming described nozzle 10 comprises two or more through nozzle hole 15/16 in each formed in (i) described one or more first jet through hole 15 and (ii) described one or more second nozzle through hole 16.

105. methods according to embodiment 104, wherein two or more through nozzle hole 15/16 of (i) described one or more first jet through hole 15 and (ii) described one or more second nozzle through hole 16 comprise about 4 to about 24 (or increment is any quantity or the quantitative range of 1 between 4 and 24) individual through nozzle hole 15/16 independently of one another.

106. methods according to any one of embodiment 77 to 105, described method also comprises: the exit face 14 along described nozzle 10 forms the outer surface part 149 of one or more overlap.

107. methods according to any one of embodiment 77 to 106, described method also comprises: the one or more parts along the exit face 14 of described nozzle 10 form anti-coking nanostructured 150, one or more parts of described exit face 14 comprise the upper surface 141 (if existence) of the outer surface part 149 of one or more overlaps of (i) described exit face 14, (ii) lower flat part 142 of exit face 14, (iii) the top part 141 of exit face 14, (iv) vertical stretch of the exit face 14 between the lower flat part 142 and the top part 141 of exit face 14 of exit face 14 divides 145, or (v) (i) is to any combination of (iv).

108. methods according to any one of embodiment 77 to 107, described method also comprises: the one or more Fluid injection components 1519 forming one or more part location of the exit face 14 along described nozzle 10, one or more parts of described exit face 14 comprise the surface 141/159 (if existence) of the outer surface part 149 of one or more overlaps of (i) exit face 14, (ii) lower flat part 142 of exit face 14, (iii) the top part 141 of exit face 14, (iv) vertical stretch of the exit face 14 between the lower flat part 142 and the top part 141 of exit face 14 of exit face 14 divides 145, or (v) (i) is to any combination of (iv).

109. methods according to any one of embodiment 77 to 108, also comprise: from the side surface removing materials of nozzle 10, to form one or more exit face feature structure 149/150/151 along the exit face 14 of nozzle 10.

110. methods according to embodiment 109, wherein said remove step comprise make nozzle 10 and instrument 700 contact surface 701 (namely, forward position contact surface 701 along outer surface 702) contact, the contact surface 701 of instrument 700 provides at least one in following exit face feature structure: the outer surface profile 159/159 ' of the overlap of the outer surface part 149 (when it is present) of (1) each overlap, (2) along at least one vertically extending wall section 145 of outer surface 14, (3) one or more injection member 151, (4) anti-coking structure 150, (5) one or more exit opening 152/162.

111. methods according to embodiment 109 or 110, the wherein said step that removes comprises the surface 701 of use instrument 700 from nozzle 10 removing materials, the surface 701 of described instrument 700 comprise there is circular cross section configuration single continuous surface (as, arcuate surface) (instrument 701 e.g., shown in Figure 12-13).Described instrument 700 can be that (such as) contacts and remove the type of nozzle material with denuding, or it can be the type (e.g., the electrode of electric discharge machining apparatus or EDM) of the removing materials when not having actual contact.As shown in Figure 14-Figure 16, instrument 700 can have any required cross sectional configuration as shown in Figure 14 a-e, it forms various exit surface 14 feature structure, include but not limited to the outer surface profile 159/159 ' of the overlap needed for outer surface part 149 of overlap given as shown in Figure 15 a-e, anti-coking microstructure 150 (as shown in Figure 5), injection member 1519 as shown in Figure 6, and other exit face 14 surface undulation (not shown).In certain embodiments, instrument 700 can along its axle r _arotate, with further for exit face 14 provides surface features (such as, when instrument 700 has star-shaped cross-section configuration as shown in figure 14e and from when rotating along its axle during nozzle 10 removing materials, to form exit face 14 feature structure shown in Figure 15 e).In addition, instrument 700 also comprise and may be used for (along or not along its axle r _arotate) one or more tool surfaces feature structures 704 of exit face 14 feature structure on nozzle 10 are provided further.

112. methods according to embodiment 109 or 110, the wherein said step that removes comprises described nozzle 10 is contacted with the contact surface 701 of instrument 700, the contact surface 701 of described instrument 700 comprises tapered member 700, and described tapered member has the wedge-shaped edge 701 (as shown in fig. 14b) of first contact nozzle 10.

113. methods according to embodiment 109 or 110, the wherein said step that removes comprises nozzle 10 is contacted with the contact surface 701 of instrument 700, the contact surface 701 of described instrument 700 comprise three or more connecting surfaces 701 (as, instrument 700 shown in Figure 14 c-e), to form the outer surface part 159 of (i) top overlap, (ii) outer surface part 145 of bottom overlap, and (iii) connects one or more central exterior surface parts 159 ' of the outer surface part 159/145 of upper and lower overlap along nozzle 10.

114. methods according to any one of embodiment 109 to 113, the wherein said step that removes also comprises the one or more exit openings 152/162 forming one or more through nozzle hole 15/16.

115. methods according to any one of embodiment 109 to 114, the wherein said step that removes comprises electric discharge machining (EDM) step.

116. methods according to any one of embodiment 109 to 115, the wherein said step that removes comprises spark-erosion wire cutting step.

117. methods according to any one of embodiment 109 to 115, the wherein said step that removes comprises Electric Discharge Machining step.

118. methods according to any one of embodiment 77 to 117, the described step wherein forming described nozzle 10 comprises: manufacture the nozzle shaping microstructured pattern for the formation of nozzle preformed articles; Nozzle moulding material is applied to comprise one or more nozzle bore formed features structure nozzle shaping microstructured pattern on; Nozzle moulding material is separated with nozzle shaping microstructured pattern, thus nozzle 10 is provided; And as required from nozzle 10 removing materials, to form one or more through nozzle hole 15/16.See the description to this in (such as) Figure 1A-Fig. 1 M and international patent application serial number US2012/023624.

119. methods according to embodiment 118, wherein said manufacturing step comprises two-photon polymerized step.For the description being applicable to the two-photon polymerized step forming nozzle 10 of the present invention, see in Figure 1A-Fig. 1 M and international patent application serial number US2012/023624 to this description.

fuel injection system manufacture method embodiment

120. one kinds of methods forming vehicle 200 fuel injection system 100, described method comprises and being attached in fuel injection system 100 by the nozzle 10 according to any one of embodiment 1 to 68.

nozzle preformed articles embodiment

121. one kinds are applicable to the nozzle preformed articles forming nozzle 10 according to any one of embodiment 1 to 68.See other nozzle preformed articles in (such as) international patent application serial number US2012/023624 with how to utilize described nozzle preformed articles to form the nozzle in Figure 1A-Fig. 1 M, and to the description of these contents in this patent application.

microstructured pattern embodiment

122. one kinds are applicable to the microstructured pattern forming nozzle 10 according to any one of embodiment 1 to 68.See other microstructured pattern in (such as) international patent application serial number US2012/023624 with how to utilize described microstructured pattern to form the nozzle in Figure 1A-Fig. 1 M, and to the description of these contents in this patent application.

In any one of above-described embodiment, nozzle 10 can comprise the spray nozzle board 10 with substantially smooth configuration, under normal conditions, wherein inlet face 11 be arranged essentially parallel to exit face 14 at least partially at least partially.

It is desirable that, the thickness of fuel injector nozzle 10 is at least about 100 μm, about 200 μm may be preferably more than; And be less than about 3mm, be preferably less than about 1mm, be more preferably less than about 500 μm (or between about 100 μm and 3mm with 1 μm of be increment any thickness or thickness range).As shown in multiple figure, may it is desirable that, nozzle has thickness thinner in the inner region of spray nozzle board and thickness thicker around the periphery of spray nozzle board.Broken in order to obtain injected fuel spray faster, may desirably reduce the thickness of spray nozzle board.But the reduction of this type of thickness may produce higher turbulence level at nozzle exit, this can cause injected fuel spray faster broken.But, when spray nozzle board thickness reduces, in follow-up manufacture (e.g., processing) process, keep the rigidity of spray nozzle board or flatness to become more difficult.The upstream pressure (when especially having higher GDI system pressure) of the described nozzle entrance in described fuel injector also can cause too thin spray nozzle board premature failure or unexpected deflection.In addition, when spray nozzle board thickness reduces, become when spray nozzle board is welded on injector body and be more and more difficult to obtain high-quality welding (as laser bonding).By making, inner region is thinner and periphery is thicker, and nozzle of the present invention is operatively adjusted (such as, adjust size, structure or otherwise design), to ask for the balance of the demand.

In addition, although not shown, but any nozzle 10 as herein described can also comprise one or more alignment surface feature structure, described alignment surface feature structure allows: (1) nozzle 10 is aimed at (that is, in X-Y plane) relative to fuel injector 101; And (2) nozzle 10 is relative to fuel injector 101 rotary alignments/orientation (that is, correct rotation position in X-Y plane).Described one or more alignment surface feature structure contributes to the location of nozzle 10 and through nozzle hole wherein 15, to make described nozzle and through nozzle hole point to one or more target location l as above accurately _t.Described one or more alignment surface feature structures on nozzle 10 can exist along inlet face 11, exit face 14, periphery 19, or exist along any combination of inlet face 11, exit face 14 and periphery 19.In addition, one or more alignment surface feature structures on nozzle 10 can include but not limited to the impression in visual indicia, nozzle 10, the surface portion along the projection of nozzle 10, or any combination of this type of alignment surface feature structure.

Be to be understood that, although said nozzle, spray nozzle board, fuel injector, fuel injector system and described method are described to " comprising " one or more parts, feature structure or step, but said nozzle, spray nozzle board, fuel injector, fuel injector system and described method can comprise described nozzle, spray nozzle board, fuel injector, the any above-mentioned parts of fuel injector system and described method and/or feature structure and/or step, by or substantially by described nozzle, spray nozzle board, fuel injector, the any above-mentioned parts of fuel injector system and described method and/or feature structure and/or step composition.Therefore, when using open-end term such as " to comprise " description the present invention or its part, should easy to understand (unless otherwise), also should be interpreted as using term " substantially by ... composition " or " by ... composition " or their variations as mentioned below to describe the present invention or its part to this description of the present invention or its part.

As used herein, term " comprises ", " having ", " comprising ", " being characterised in that " or their any other variations are intended to contain comprising of nonexcludability, is subject to any restriction explicitly pointed out in addition to cited parts.Such as, nozzle, spray nozzle board, fuel injector, fuel injector system and/or method " comprise " a series of key element (as, parts or feature structure or step) be not necessarily confined to only to comprise these key elements (or parts or feature structure or step), but may comprise and not listing clearly or other key elements that described nozzle, spray nozzle board, fuel injector, fuel injector system and/or method are intrinsic (or parts or feature structure or step).

As used herein, conjunctive phrase " by ... composition " any unspecified key element, step or parts are foreclosed.Such as, use in claim " by ... composition " claim is limited to parts, material or the step clearly enumerated in claim, and the impurity (that is, to the impurity in limiting-members) except being associated with described parts, material or step.When phrase " by ... composition " appears in the clause of claim text, instead of immediately preceding after preorder time, phrase " by ... composition " limits the key element (or parts or step) only listed in this clause; Other key elements (or parts) are not excluded outside claim as a whole.

As used herein; conjunctive phrase " substantially by ... composition " is for limiting nozzle, spray nozzle board, fuel injector, fuel injector system and/or method except according to except literal those disclosed; also comprise material, step, feature structure, parts or element, precondition is that these other material, step, feature structure, parts or elements can not affect in fact claimed fundamental characteristics of the present invention and novel characteristics.Term " substantially by ... composition " connotation occupy " comprising " with " by ... composition " between.

In addition, be to be understood that, nozzle as herein described, spray nozzle board, fuel injector, fuel injector system and/or method can comprise any parts as herein described and feature structure, substantially by or be made up of any parts as herein described and feature structure, parts as herein described and feature structure are as shown in the drawing and have or do not have unshowned any one or multiple extra feature structure in accompanying drawing.In other words, in certain embodiments, nozzle of the present invention, spray nozzle board, fuel injector, fuel injector system and/or method can have attached any extra feature structure not explicitly shown in FIG..In certain embodiments, nozzle of the present invention, spray nozzle board, fuel injector, fuel injector system and/or method do not have except those shown in accompanying drawing (namely, some or all) outside any extra feature structure, and in accompanying drawing, this type of extra feature structure unshowned is explicitly excluded outside described nozzle, spray nozzle board, fuel injector, fuel injector system and/or method.

The present invention is also described by following instance, and these examples should not be interpreted as limiting scope of the present invention by any way.On the contrary, it should be clearly understood that and can adopt other embodiments multiple, modification and equivalent thereof.Upon reading the present specification, when not departing from the scope of essence of the present invention and/or appending claims, these embodiments, modification and equivalent thereof will be apparent to those skilled in the art.

example 1

Manufacture the nozzle similar with the exemplary nozzle 10 shown in Fig. 1, Fig. 3 A-Fig. 7 and Fig. 9-Figure 10, use it in the fuel injector system similar with fuel injector system 100.

From the above-mentioned disclosure of General Principle of the present invention and aforementioned detailed description, those skilled in the art will understand various modification involved in the present invention easily, rearrange and replace, and the present invention's multiple advantage that can provide and beneficial effect.Therefore, only scope of the present invention is limited by following claims and coordinate thereof.In addition, to should be appreciated that disclosed in the present invention and claimed nozzle can be used for other application (that is, being not used as fuel injector nozzle) also within the scope of the invention.Therefore, scope of the present invention can expand to cover the purposes applied for these type of other by claims protection and structure disclosed in this invention.

Claims

1. a fuel injector nozzle, comprising:

Not cast three-dimensional inlet face, described not cast three-dimensional inlet face comprises the first inlet surface and the second inlet surface;

Exit face, described exit face and described inlet face back to; And

One or more first jet through hole and one or more second nozzle through hole, wherein each described first jet through hole comprises at least one inlet opens be positioned in described first inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on described exit face by the chamber limited by internal surface, and each described second nozzle through hole comprises at least one inlet opens be positioned in described second inlet surface, at least one inlet opens described is connected at least one exit opening be positioned on described exit face by the chamber limited by internal surface,

Wherein said first inlet surface and described second inlet surface not coplanar.

2. nozzle according to claim 1, wherein said inlet face also comprises the first valve sealing surface between described first inlet surface and described second inlet surface, wherein said first valve sealing surface operatively adjusted with fuel injector valve seal, to allow fuel to pass through described second nozzle through hole and not by described first jet through hole.

3. nozzle according to claim 1 and 2, wherein said inlet face also comprises the second valve sealing surface, described second valve sealing surface operatively adjusted with fuel injector valve seal, to stop fuel to pass through described second nozzle through hole.

4. nozzle according to any one of claim 1 to 3, wherein said first inlet surface and described second inlet surface parallel to each other.

5. the nozzle according to any one of claim 2 to 4, wherein said first valve sealing surface is operatively adjusted to seal with the outer seal surface of fuel injector valve, to stop fuel to pass through described one or more first jet through hole.

6. the nozzle according to any one of claim 2 to 5, wherein said first valve sealing surface is perpendicular at least one in described first inlet surface and described second inlet surface.

7. nozzle according to any one of claim 1 to 6, wherein said exit face comprises the first exit surface and the second exit surface, each exit opening of wherein said one or more first jet through hole is positioned on described first exit surface, each exit opening of described one or more second nozzle through hole is positioned on described second exit surface, and described first exit surface and described second exit surface not coplanar.

8. nozzle according to claim 7, wherein said first exit surface and described second exit surface parallel to each other.

9. nozzle according to any one of claim 1 to 6, wherein said exit face comprises the first exit surface and the second exit surface, wherein said first exit surface is set to acutangulate with described second exit surface, and each exit opening is positioned on described first exit surface.

10. nozzle according to any one of claim 1 to 9, wherein said inlet face comprises the outer periphery part of (i) described inlet face, (ii) the outer vertical wall segments upwards extended from described outer periphery part of described inlet face, (iii) from the intermediate wall portion that described outer vertical wall segments extends, described intermediate wall portion represent described second inlet surface at least partially, (iv) upwards extend from described intermediate wall portion in vertical wall segments, (v) the top part, described the top part represent described first inlet surface at least partially.

11. nozzles according to any one of claim 1 to 10, wherein (i) described one or more first jet through hole comprises two or more through nozzle hole independently with each in (ii) described one or more second nozzle through hole.

12. 1 kinds of fuel injectors, comprise nozzle according to any one of claim 1 to 10.

13. 1 kinds of motor vehicle fuel ejecting systems, comprise fuel injector according to claim 12 and the fuel injector valve with fuel injector valve contact surface;

Wherein said fuel injection system, according to the position of described fuel injector valve relative to described nozzle, provides the fluid stream of at least three levels through described nozzle.

14. fuel injection systems according to claim 13, the fluid stream wherein through described at least three levels of described nozzle comprises (1) without fluid stream; (2) segment fluid flow stream, wherein fluid flows through described one or more second nozzle through hole; (3) complete fluid stream, wherein fluid flows through described one or more first jet through hole and described one or more second nozzle through hole.

The method of 15. 1 kinds of manufacture nozzles according to any one of claim 1 to 10.